/Engine/Source/Runtime/MovieSceneTracks/Public/Sections/MovieSceneEventSectionBase.h
typedef TMulticastDelegate_FourParams< void, [UMovieSceneEventSectionBase](API\Runtime\MovieSceneTracks\Sections\UMovieSceneEventSectionBase) *, [UK2Node](API\Editor\BlueprintGraph\UK2Node) *, [FName](API\Runtime\Core\UObject\FName), [FName](API\Runtime\Core\UObject\FName) > FFixupPayloadParameterNameEvent